Meeting Includes Google's Eric Schmidt and Facebook's Mark Zuckerberg

WASHINGTON—President Barack Obama sought Friday to quell angst in the U.S. technology sector over revelations of National Security Agency spying, hosting a handful of chief executives for a White House meeting to discuss government surveillance and privacy concerns.

Mr. Obama hasn't publicly weighed in on the issues most concerning to the tech sector—namely the government's efforts to undermine encryption and computer security, steps...